Vacuum Pneumatic Trucks - MarathonRefineryContractor
Authored By: Anthony Roberts Doc Custodian: Safety Supervisor Approved By: Von Meeks Date Approved: 9/17/2020 Blanchard Refining Company LLC Galveston Bay Refinery PR-18 Vacuum/Pneumatic Truck Next Review Date: 9/30/2025 Doc No.: RSW-000038-GB Rev No: 2 Refinery Safe Work Procedure Effective Date: 9/29/2020 TABLE OF CONTENTS 1.0 Purpose 2 2.0 Scope 2 3.0 Responsibilities 2 3.1 Originating-area Operations Supervisor or MPC Servicing Group Supervisor (if applicable) 2 3.2 Receiving-area Operations Supervisor or Designee 3 3.3 Originating-area and Receiving Area Operators 3 3.4 Tech Services 4 3.5 Vacuum/Pneumatic Truck Operator 4 4.0 General Requirements 5 4.1 Approved Materials for Vacuum Trucks 5 4.2 Approved Materials for Pneumatic Trucks 5 4.3 Vacuum Truck Operator Qualifications and Training 6 4.4 Work Permitting 6 4.5 Vacuum Truck Transfers/Logs 7 4.6 Grounding and Bonding 7 4.7 Truck Location 8 4.8 Truck Specifications and Operation 9 4.9 Transfer Operations 10 4.10 Vacuum Truck Decontamination 11 4.11 Liquid Ring Pneumatic Vacuum Truck Hoses 11 4.12 Wet Vac Vacuum Trucks 12 4.13 Materials Transported Off-Site Via Vacuum Truck 12 4.14 Special Precautions 12 5.0 Definitions 13 6.0 References 14 7.0 Attachments 14 8.0 Revision History 14 Attachment A: Finished Products Temperature Criteria Table and Crude Oil Temperature Criteria Table 16 Attachment B: Chemical Interaction Matrix Chart and Refinery Examples 17 Attachment C: Vacuum/Pneumatic Truck Authorization Form 18 Attachment D: Chemical Compatibility Chart for Vacuum/Pneumatic Truck Hoses and Fittings 19 Attachment E: Vacuum & Pneumatic Truck Diagrams 20 Printed 9/29/2020 RSW-000038-GB.docx Page 1 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck 1.0 Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 Purpose This practice defines the responsibilities and precautions for the operation of vacuum and pneumatic trucks when loading, unloading and transporting materials on the site. 2.0 Scope This practice applies to all personnel and any activity involving the operation of vacuum or pneumatic trucks to load, unload and transport materials. See definition of vacuum truck and pneumatic truck in Section 5.0 . 3.0 Responsibilities 3.1 Originating-area Operations Supervisor or MPC Servicing Group Supervisor (if applicable) Responsible for: 3.1.1 Must be trained and knowledgeable in the company policies, DOT and other regulatory requirements and applicable operating procedures that define actions that must be completed for loading and unloading of chemicals into vacuum trucks. 3.1.2 Periodically oversees loading and unloading activities to ensure work is being performed safely and all operating procedures are being utilized. 3.1.3 Shall ensure work permits issued when required for vacuum truck operations. 3.1.4 Shall ensure work permits address the required PPE to vacuum/off load materials. This shall include defining the PPE requirements for personnel exposed to vapors emitted by vacuum truck venting operations if toxic vapors cannot be confined to a safe location or device. 3.1.5 Determining the content/characteristics of the material to be picked up prior to its loading in the truck. 3.1.6 Verify that the vacuum truck has been water washed prior to being used in the plant when changing product by checking the clean ticket or truck logs. After hours contact (SOC 409-945 -1765) to unlock the gate. Must obtain SDS with contact information attached to equipment that needs cleaning. Contact (Shift Tech) on radio channel zone 5 / loop - 1, Nextel 409-599-8063 for permit to be issued. 3.1.7 Checking vacuum truck logs to verify that the material to be picked up is compatible with the previous load (see section 4.5 ). If the material is not compatible, vacuum truck must be water washed prior to being used in the unit. 3.1.8 Providing MSDS’s of material to be picked up (list of materials is available on the Vacuum Truck Authorization Form). MSDS should be attached to this form. 3.1.9 Determining the appropriate location for off-loading with concurrence of the receiving location prior to loading. 3.1.10 Informing truck operator of properties and hazards of the material to be picked up. 3.1.11 Communicating and monitoring safety requirements. 3.1.12 Completing required Vacuum or Pneumatic Truck Authorization form. The actual form is triplicate on NCR paper. Using photocopies of the form is not allowed. Reference Attachment C. 3.1.13 Completing a waste manifest for loads taken off site (e.g., Land Farm) and ensuring that Environmental Department is notified. Printed 9/29/2020 RSW-000038-GB.docx Page 2 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck 3.2 Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 Receiving-area Operations Supervisor or Designee Responsible for: 3.3 3.2.1 Verifying that the vacuum/pneumatic truck is in the correct unloading location. 3.2.2 Verifying that a Vacuum or Pneumatic Truck Authorization form has been completed. 3.2.3 Execute and oversee the safe loading and unloading of chemical. 3.2.4 Must be trained and knowledgeable in the company policies, DOT and other regulatory requirements and applicable operating procedures that define actions that must be completed for the loading or unloading of chemical. 3.2.5 Identifies and mitigates any issues with the loading and unloading process or equipment. Issues needing additional attention are clearly communicated to supervision in a timely manner. 3.2.6 Informs the vacuum truck operator of any changes in conditions which would affect the job, or any operating emergency. 3.2.7 Communicating and ensuring all aspects of the company policies, regulatory requirements and applicable operating procedures are followed and completed during the loading and unloading activities. Originating-area and Receiving Area Operators Responsible for: 3.3.1 Verifying completion of Section, A and Section B of the authorization form, respectively, during the face-to-face discussion with the vac truck operator, and signing the form. 3.3.2 Execute and oversee the safe loading and unloading of chemical. 3.3.3 Must be trained and knowledgeable in the company policies, DOT and other regulatory requirements and applicable operating procedures that define actions that must be completed for the loading or unloading of chemical. 3.3.4 Identifies and mitigates any issues with the loading and unloading process or equipment. Issues needing additional attention are clearly communicated to supervision in a timely manner. 3.3.5 Ensure that the following safety measures are taken: 3.3.5.1 Provide and review the SDS for chemical to be loaded with the driver, 3.3.5.2 Inform the driver of the actions to take in the event of an emergency, 3.3.5.3 Show the driver the closest safety shower/eye wash station and confirm that it functions, 3.3.5.4 Identify the PPE requirements for the loading activity, 3.3.5.5 Barricade the area around loading activities, 3.3.5.6 Inform the driver of any other work in close proximity, and Ensure proper PPE is donned prior to making any connections or loading any material. 3.3.5.7 Ensure any hoses used for loading have been disconnected from the highway cargo tank and have been cleared of any residual product. 3.3.5.8 Verify all valves, and other closures in liquid discharge systems are closed, capped and free of leaks. 3.3.5.9 Walk the lineup from the vacuum truck to the tank/vessel used in the transfer to verify: the proper lineup has been restored, and Printed 9/29/2020 RSW-000038-GB.docx Page 3 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck 3.3.5.10 3.4 Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 All bleeders are closed and capped. 3.3.6 Informs the vacuum truck operator of any changes in conditions which would affect the job, or any operating emergency. 3.3.7 Communicating and ensuring all aspects of the company policies, regulatory requirements and applicable operating procedures are followed and completed during the loading and unloading activities. Tech Services Responsible for: 3.5 3.4.1 Will develop and maintain refinery-wide PR18 Chemical Interaction Matrix Chart – Review Attachment B. 3.4.2 Ensure compatibility between chemicals to transported and the contents previously contained in vacuum truck. Vacuum/Pneumatic Truck Operator Responsible for: 3.5.1 Ensuring that all equipment provided onsite satisfies the requirements of PR18 3.5.2 Verify hoses to be used for unloading are: 3.5.2.1 Marked with a valid test/inspection date (if MPC hoses), 3.5.2.2 Compatible with the material to be offloaded, and 3.5.2.3 Free of visual defects. 3.5.3 The condition and compatibility of vacuum truck hoses must be verified by the vacuum truck company representative. 3.5.4 Verify the handbrake or air brakes have been set and wheels are chocked to secure the vacuum truck from moving. 3.5.5 Vacuum truck company representative shall verify all the unloading components (valves, gauges, psv, etc.) of the truck/trailer are functioning. 3.5.6 An owning department representative is required to be present when the vacuum truck is being set-up for loading/unloading and when connections to the process are being made. 3.5.7 Shall ensure the required PPE is being used for vacuum/offloading materials. This shall include defining the PPE requirements for personnel exposed to vapors emitted by vacuum truck venting operations if toxic vapors cannot be confined to a safe location or device. 3.5.8 Shall test and monitor noise levels around the vacuum truck when in use. Ensure the right level of hearing protection is being used, area is barricaded, and signs are posted when double hearing is required. 3.5.9 Ensure that all requirements of this procedure are complied with during the work activities 3.5.10 Providing truck logs of previous material loaded and documentation of wash-out. Ensure each load of material picked up in a vacuum truck is checked against the Chemical Compatibility Chart for Vacuum Trucks. Consideration for incompatibility should also be given to the location that the vacuum truck is going to be off loaded to. If necessary, contact Operations, Safety, and/or Tech Services to ensure offloading to chosen destination is acceptable. 3.5.11 The qualified person(s) attending either the loading or unloading of a vacuum truck must Printed 9/29/2020 RSW-000038-GB.docx Page 4 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 be alert and have an unobstructed view of the vacuum truck and delivery hose to the maximum extent practicable during the entire loading or unloading operation. 3.5.12 If the vacuum truck representative leaves the area all valves and openings on the vacuum truck must be securely closed and disconnected from the process. 3.5.13 Compliance with all applicable DOT, federal and state regulations as well as MPC site safety practices. 3.5.14 Work with owning department personnel to properly identify the material, source, volume, and destination for each transfer operation and ensure all recordkeeping requirements outlined within this rule are met. Stop work if conditions become unsafe. 4.0 General Requirements 4.1 Approved Materials for Vacuum Trucks 4.2 4.1.1 Hexane and lighter materials shall not be loaded into a vacuum truck. 4.1.2 If the Reid Vapor Pressure (RVP) of the material is 14.0 psi or greater, or does not meet the limitations of Tables 1 and 2 in Attachment A, the material shall not be loaded into a vacuum truck. 4.1.3 Pyrophoric, oxidizing materials, acids or caustics may only be loaded after obtaining approval of the Area Team Leader. 4.1.4 Note: SWP permit is not required when use of vacuum truck is covered in process plant operations documented in an approved risk assessed operating procedure, and carried out by a competent unit operations person. 4.1.5 Mixing of Materials 4.1.5.1 Material types such as chemicals, acids, caustics, and hydrocarbons, shall not be mixed in vacuum trucks. 4.1.5.2 Mixing incompatible materials can result in a violent reaction. See Chemical Interaction Matrix in Attachment B. 4.1.5.3 See MSDSs for material compatibility. MSDS information, particularly “Stability and Reactivity” section shall be reviewed. 4.1.5.4 Vacuum trucks must be water washed after each load prior to collecting incompatible material (e.g., do not load caustic into a vacuum truck that previously hauled either chemicals, acids, or hydrocarbons without being water washed between loads). 4.1.5.5 Check previous load documentation. If in doubt as to whether materials are compatible, require wash-out before loading. 4.1.5.6 Vacuum trucks can be washed at the Heat Exchanger Bundle Cleaning Slab or at an approved truck washout facility if accompanied with the proper DOT shipping document. 4.1.5.7 Vacuum trucks must be neutralized to a pH between 6 and 9 after each wash. This can be done by water wash first, followed by steam wash. Approved Materials for Pneumatic Trucks 4.2.1 Pneumatic trucks may not be used to pick-up liquid hydrocarbons or hydrocarbon contaminated sludge. 4.2.2 Solid wastes and non-hazardous materials may be loaded with a pneumatic truck provided the guidelines of this practice are followed. Printed 9/29/2020 RSW-000038-GB.docx Page 5 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck 4.2.3 4.3 4.4 Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 Picking up dry solids, such as sulfur dust, may pose a risk of a dust explosion because dusts may be present or generated. 4.2.3.1 Static electricity will not be the only potential ignition concern, as sparks caused by friction can occur during the high velocity movement of materials inside the transfer hose or at the truck. 4.2.3.2 Therefore, dry solids that may generate combustible dust shall not be removed with a pneumatic truck unless approved by the Area Team Leader. 4.2.4 Hydrocarbon contaminated solids (with no free liquids present) may be loaded only if their LEL 10%. The LEL reading shall be taken from just above the surface of the solid immediately after agitation to simulate loading conditions. 4.2.5 The Operations Supervisors will be responsible for determining required permits. Vacuum Truck Operator Qualifications and Training 4.3.1 Vacuum truck operators shall be trained in the proper transfer, handling and transportation of all materials that can reasonably be anticipated to be encountered. 4.3.2 Vacuum truck employers shall assure that vacuum truck operators are trained as specified in API RP-2219 to include: 4.3.2.1 29 CFR 1910.120 HAZWOPER 4.3.2.2 29 CFR 1910.1200 Hazard Communications 4.3.2.3 29 CFR 1910.38 Emergency Plans and Fire Protection Plans 4.3.2.4 49 CFR Hazardous Materials Regulations 4.3.2.5 CDL License 4.3.2.6 X Endorsement (if applicable) 4.3.3 Vacuum truck operators shall be thoroughly trained on the operation and emergency shutdown procedures of their equipment. 4.3.4 Vacuum truck operators shall be familiar in the use of portable fire extinguishers. Work Permitting 4.4.1 A Safe Work Permit is required for vacuum trucks operated within a regulated area, transferring a hydrocarbon or flammable/combustible material, or when the exhaust vent effluent presents potential for a flammable vapor. 4.4.2 As a part of work permitting, when the potential exists for exposure to airborne contaminants above permissible exposure limits, atmospheric monitoring shall be conducted by the Owning Department in order to help define proper PPE and/or barricading requirements. Respiratory protection requirements will be determined through atmospheric monitoring. PPE that is appropriate for the material being handled must be worn when there is potential for exposure (e.g., near the spill, handling hoses). 4.4.3 Hazard Recognition and Awareness REQUIREMENTS to consider when developing a JSA: 4.4.3.1 Vacuum truck operators and personnel that administer Work Permits for vacuum trucks shall be familiar with and trained in the hazards and controls associated with vacuum truck operations, to include: 4.4.3.2 Material incompatibility – The mixing of incompatible materials can produce hazardous reactions resulting in the production of toxic materials and increases in temperature and pressure. A compatibility matrix for common Printed 9/29/2020 RSW-000038-GB.docx Page 6 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 refinery streams shall be used for this purpose, Reference Attachment B. NOTE: IF A MATERIAL IS NOT INCLUDED IN A MATRIX, ASSUME IT IS INCOMPATIBLE AND DO NOT MIX WITH ANY OTHER CHEMICAL. THE TRUCK MUST BE CLEANED PRIOR TO USE. CONSIDERATION FOR INCOMPATIBILITY SHOULD ALSO BE GIVEN TO THE LOCATION THAT THE VACUUM TRUCK IS GOING TO BE OFF LOADED. IF NECESSARY, CONTACT OPERATIONS, SAFETY, AND/OR TECH SERVICES TO ENSURE OFFLOADING TO CHOSEN DESTINATION IS ACCEPTABLE. 4.5 4.6 4.4.3.3 Flammable atmospheres – The potential to emit flammable vapors from the source container and from the vacuum truck exhaust port. 4.4.3.4 Toxicity – The potential to exceed hazardous material Permissible Exposure Limits (PELs) from the source container and from the vacuum truck exhaust port. 4.4.3.5 Static electricity – The production of static electricity inherent to vacuum truck operations. 4.4.3.6 Slips/Trips – The introduction of trip hazards created from vacuum truck operation such as with hoses, vent hoses, and bonding/grounding cables. 4.4.3.7 Combustible dust - Combustible dust such as sulfur or coke is explosive and must not be vacuumed in a dry state. Combustible dust should be picked up by mechanical means wherever possible. Combustible dust may be vacuumed wet provided that copious amounts of water are added during the vacuum operations and only with approval of the applicable Maintenance Coordinator or Operations Supervisor. Vacuum Truck Transfers/Logs 4.5.1 PR18 A form is required to be completed for each material pickup. 4.5.2 The vacuum truck operator should work with the owning department to identify and properly record the origination of the material to be vacuumed up (i.e. which tank, vessel, or unit, etc.), the quantity of the material, the identification of the material component(s), and the percentage of each component., as well as the destination. 4.5.3 Before offloading material from the vacuum truck to the proper transfer, a Work Permit must be obtained from the owning department for areas requiring work permits, which will authorize the transfer. Grounding and Bonding 4.6.1 The vacuum truck owner shall establish a schedule and maintain recordkeeping for inspecting and testing the electrical conductivity of grounding and bonding cables and hoses provided with the vacuum truck. 4.6.2 Trucks shall be grounded when they are being loaded or unloaded (reference NFPA 77 and API 2003). 4.6.2.1 The vacuum truck frame must be grounded to earth via conductor bonded to plant ground or a grounded structure close to the truck. 4.6.2.2 The grounding shall be done by the truck operator, using a low resistance ground cable (a 2/0 cable) with a reach of at least 25 feet from either side of the truck. 4.6.2.3 When a temporary grounding rod is used, it must be made of copper and must be driven at least 2 feet into the ground. Rebar is not acceptable. Grounding clamps with teeth/grip must also be a made of copper. Printed 9/29/2020 RSW-000038-GB.docx Page 7 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck 4.6.2.4 Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 The vacuum truck shall be bonded to the source or receiving container via a bonding cable and verified that less than 50 ohms exists between the truck and the container. 4.6.2.4.1 If both the vacuum truck and source/receiving container are grounded, and the electrical continuity is achieved through metal-to-metal connections using internally bonded or conductive hose, a separate bonding cable is not required. 4.6.2.5 An ohm meter shall be used to verify that less than 50 ohms exists between the working end of the vacuum hose and the truck ground prior to the start of any vacuum operation. 4.6.2.6 The continuity checks shall be performed by a competent individual and the results documented (date, time, ohm reading). 4.6.3 A recheck of the resistance shall be necessary when suspected damage has occurred to the bonding ground wire or attachment point. 4.6.4 Bonding ground wires shall not be smaller than #8 AWG or equivalent wire using a solid connector. Larger wire should be used if harsh abuse is expected. 4.6.5 Suction hose and fittings shall be conductive throughout; if not, any isolated conductive areas shall be bonded. (Bonding is connecting each individually grounded part in a system together to ensure that the system has the same ground potential.) To bond isolated conductive areas together, a low resistance ground wire/cable should be connected from the truck, around the hoses, across the hose fittings to the vessel or tank being emptied or filled. No aluminum fittings on hoses are allowed due to aluminum’s high arcing potential. 4.6.6 Quick disconnects of heavy construction with self-locking mechanisms (or a separate form of secondary locking) shall be used for all hose to hose connections. This is to ensure there are no injuries related to hoses. 4.6.7 All components (funnels, collection pans, etc.) used in the collection of material during vacuum truck operations must be made of metal and be properly grounded. Collection funnels used to guide flowing liquids into a pan should extend to the bottom of the pan to help prevent an electrostatic discharge. 4.6.7.1 4.6.8 Drain Pan Grounding (or container to be vacuumed) 4.6.8.1 4.6.9 The use of non-conductive transfer items, such as plastic funnels, strainers, etc. is prohibited. The vacuum truck and drain pan grounds shall be within 50 ohms of each other. Due to the potential of stray electrical currents, the ground wires of electrical equipment are not to be used as a means of grounding for vacuum trucks. 4.6.10 If the bonding and grounding requirements of this procedure are not understood, consult an electrician or Electrical Supervisor. 4.7 Truck Location 4.7.1 Vacuum trucks should be operated upwind and outside of areas in which flammable gases or vapors may be present. 4.7.2 A SWP – Hot Work for vehicle entry/operation may be required depending upon the location of the truck. 4.7.3 The vacuum truck shall be positioned at the following locations if the involved material is Printed 9/29/2020 RSW-000038-GB.docx Page 8 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 flammable: 4.7.4 4.8 4.7.3.1 No limits where the atmosphere is and remains at 0% LEL for the duration of the job, and 4.7.3.2 At least 25’ upwind or crosswind from the source container or spill, and 4.7.3.3 At least 50’ upwind or crosswind from a source or receiving container inside a diked area, preferably on top or outside of the dike. When deemed necessary due to potential exposure to flammable or toxic materials, the vacuum truck pump exhaust should be discharged downwind of the vehicle by using a vertical exhaust stack extending 12 feet above the truck or by attaching a length of hose to permit venting to an area free from a source of ignition and to ensure it does not present a hazard to personnel. Air monitoring 100% of the time when vacuum operation is in progress to verify no breakthrough. Confirm and monitor that personnel in adjacent areas are not affected by this exhaust. Area must be barricaded. Truck Specifications and Operation 4.8.1 All vacuum truck tanks shall meet ASME certification and shall have a specification plate or other means of certification with the truck. 4.8.2 Trucks must be maintained and meet all federal, state, local, and industry (API) regulations and guidelines. 4.8.3 Only vacuum trucks equipped with a vain pump with a maximum air flow rating of 500 CFM are permitted to vacuum materials containing flammable liquids (flash point 100 F). Flammable liquids are defined in Section 5, Definitions. 4.8.4 When a hose is partially submerged allowing air to enter the hose (when product levels reach the bottom of the source container or when product is being skimmed off the surface), the following maximum vacuum truck engine speeds (rpm) shall be adhered to when vacuuming flammable liquids (flash point 100 F): Less than 3” hose – not permitted 3” hose – 700 rpm (500 cfm) 4” hose – 1300 rpm (700 cfm) 4.8.5 Established vehicle entry procedures and all other safety policies concerning the use of motor-driven equipment on site must be observed. 4.8.6 Operations must ensure that the truck has been water washed prior to being used in the plant. 4.8.7 Trucks shall not be driven if they are leaking or dripping material. Truck connections must be secured before the vehicle moves. 4.8.8 The vacuum truck shall be staged on stable ground with the emergency brakes set and the wheels chocked before beginning loading and off-loading operations. 4.8.8.1 4.8.9 Consideration shall be given to additional weight of the load when selecting the staging location. When transferring flammable liquids or hazardous materials, the vacuum truck operator will remain positioned between the truck and the source or receiving tank, vessel, or container and within 25 ft. of the truck. The truck operator will monitor the transfer operation and be ready to quickly close the product valve and stop the pump in the event of a blocked line or release of material through a broken hose or connection. 4.8.10 All personnel shall leave the truck cab during loading and unloading. Truck drivers will not Printed 9/29/2020 RSW-000038-GB.docx Page 9 of 20 Printed copies should be used with caution. The user of this document must ensure that the current approved version of the document is used.
Blanchard Refining Company LLC Title: PR-18 Vacuum/Pneumatic Truck Galveston Bay Refinery Doc Number: RSW-000038-GB Rev No: 2 be allowed to sit in the cab of the truck while loading or unloading. The driver shall remain within communicating distance of the truck operator. Precautions must be taken to remain away from the engine exhaust system. 4.8.11 Vacuum truck operators shall monitor truck levels continuously during loading or offloading of the truck to insure proper operation of level indication to prevent potential overfilling or to identify issues with the loading/off-loading operations. 4.8.12 Vacuum truck operators shall follow safe operating procedures to minimize the amount of air introduced into the vacuum truck cargo container while vacuuming materials. 4.8.13 Vacuum trucks shall be equipped with run-away protection for diesel engines. Trucks must be equipped with an emergency (air) engine shutdown device that closes the air intake. 4.8.14 All trucks leaving the plant must use placards in accordance with DOT requirements. One of the following will apply on the site: flammable, combustible or corrosive. Non-hazardous contents do not require a placard. 4.8.15 Trucks must be equipped with at least a 20 lb. dry chemical fire extinguisher or provide one on standby during operation. 4.8.16 Duckbill nozzles will be utilized when skimming to minimize the amount of air entering the vacuum truck tank. 4.8.17 Vacuum truck hoses that are connected to closed equipment/process must have a drain/vent connection. Before disconnecting a hose from a closed system, the truck operator shall open the drain/vent connection to confirm that the hose is empty and depressured. 4.8.18 When vacuum trucks are connected directly to equipment/process, Operations shall assure proper venting to atmosphere to prevent damage to the vessel due to vacuum. When transferring liquid from a vacuum truck to equipment, tanks or vessels and the preferred method of gravity offloading cannot be performed - transferring liquid by using a centrifugal pump is acceptable. A centrifugal pump is designed to pump liquids and will cavitate when air, vapor or high RVP material enters the suction of the pump. 4.8.19 Vacuum truck contents may be unloaded by pump suction or gravity. Truck engines must be shut off while gravity unloading. 4.9 Transfer Operations 4.9.1 Vacuum truck operators and Owning Department operators shall be aware of the hazards involved in the transfer of materials, particularly the risk of creating a vapor-air atmosphere in the flammable range inside equipment when transferring hydrocarbons. 4.9.2 Consideration shall be given to the method of off-loading vacuum trucks to mitigate t
4.3 Vacuum Truck Operator Qualifications and Training 6 4.4 Work Permitting 6 4.5 Vacuum Truck Transfers/Logs 7 4.6 Grounding and Bonding 7 4.7 Truck Location 8 4.8 Truck Specifications and Operation 9 4.9 Transfer Operations 10 4.10 Vacuum Truck Decontamination 11 4.11 Liquid Ring Pneumatic Vacuum Truck Hoses 11
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